Hi Tomi and Sebastian,
Thank you for the patch.
On Thu, Nov 05, 2020 at 02:02:58PM +0200, Tomi Valkeinen wrote:
> From: Sebastian Reichel <sebastian.reic...@collabora.com>
>
> The DSI sync() function only locks the bus and then releases
> it again. Currently the only invocation is directly before
> update(), which locks the bus anyways.
>
> Signed-off-by: Sebastian Reichel <sebastian.reic...@collabora.com>
> Signed-off-by: Tomi Valkeinen <tomi.valkei...@ti.com>
Reviewed-by: Laurent Pinchart <laurent.pinch...@ideasonboard.com>
> ---
> .../gpu/drm/omapdrm/displays/panel-dsi-cm.c | 18 ------------------
> drivers/gpu/drm/omapdrm/dss/omapdss.h | 1 -
> drivers/gpu/drm/omapdrm/omap_crtc.c | 3 ---
> 3 files changed, 22 deletions(-)
>
> diff --git a/drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c
> b/drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c
> index f59775cabe2d..a9609eed6bfa 100644
> --- a/drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c
> +++ b/drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c
> @@ -845,23 +845,6 @@ static int dsicm_update(struct omap_dss_device *dssdev,
> return r;
> }
>
> -static int dsicm_sync(struct omap_dss_device *dssdev)
> -{
> - struct panel_drv_data *ddata = to_panel_data(dssdev);
> - struct omap_dss_device *src = ddata->src;
> -
> - dev_dbg(&ddata->dsi->dev, "sync\n");
> -
> - mutex_lock(&ddata->lock);
> - src->ops->dsi.bus_lock(src);
> - src->ops->dsi.bus_unlock(src);
> - mutex_unlock(&ddata->lock);
> -
> - dev_dbg(&ddata->dsi->dev, "sync done\n");
> -
> - return 0;
> -}
> -
> static int _dsicm_enable_te(struct panel_drv_data *ddata, bool enable)
> {
> struct omap_dss_device *src = ddata->src;
> @@ -950,7 +933,6 @@ static const struct omap_dss_device_ops dsicm_ops = {
>
> static const struct omap_dss_driver dsicm_dss_driver = {
> .update = dsicm_update,
> - .sync = dsicm_sync,
> };
>
> static int dsicm_probe_of(struct mipi_dsi_device *dsi)
> diff --git a/drivers/gpu/drm/omapdrm/dss/omapdss.h
> b/drivers/gpu/drm/omapdrm/dss/omapdss.h
> index 55d5bca59f81..9bbd2c0f3187 100644
> --- a/drivers/gpu/drm/omapdrm/dss/omapdss.h
> +++ b/drivers/gpu/drm/omapdrm/dss/omapdss.h
> @@ -385,7 +385,6 @@ struct omap_dss_device {
> struct omap_dss_driver {
> int (*update)(struct omap_dss_device *dssdev,
> u16 x, u16 y, u16 w, u16 h);
> - int (*sync)(struct omap_dss_device *dssdev);
> };
>
> struct dss_device *omapdss_get_dss(void);
> diff --git a/drivers/gpu/drm/omapdrm/omap_crtc.c
> b/drivers/gpu/drm/omapdrm/omap_crtc.c
> index 328a4a74f534..dac9ccda98df 100644
> --- a/drivers/gpu/drm/omapdrm/omap_crtc.c
> +++ b/drivers/gpu/drm/omapdrm/omap_crtc.c
> @@ -379,9 +379,6 @@ static void omap_crtc_manual_display_update(struct
> work_struct *data)
> return;
> }
>
> - if (dssdrv->sync)
> - dssdrv->sync(dssdev);
> -
> ret = dssdrv->update(dssdev, 0, 0, mode->hdisplay, mode->vdisplay);
> if (ret < 0) {
> spin_lock_irq(&dev->event_lock);
--
Regards,
Laurent Pinchart
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